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Hii there Guys,
I was looking for a Voice Codec Chip similar to CSP1027 from Lucent that can work for cellular handset & modem applications at low power.
Appreciate any help as I'm new to this subject.
Thanks in advance.
Guys,
When it comes to defining enclosures for say flush mount energy meters, which is good practice to use, metallic or plastic?
I have to decide on one & I'm confused.
If anybody can give some insight based on experience, I would be thankful.
I want to develop web based application integrating google map api. Since I'm new to .Net programming I don't know how to start the process. If anyone can guide this new bie I would appreciate.
Thanks in advance.
I was performing Trip Test for MCB inisde my meterign panel. I was testing a 2-Pole AC MCB rated 6A, now I was injecting 12A of AC current & as per the Tripping curve of C type MCB it should've tripped in 15 seconds approximately (I believe so) but its taking around 25 seconds that too after...
I have designed a metering panel, apart from revenue meters my panel has a PC for recording revenue meter readings & genertaing few other alarms. Now this PC is powered from 24VDC from converter that in turn gets input from 125VDC at field. Now if the DC voltage at field is to go out, I need...
Hii everyone,
I was looking for printer which can be powered from <30VDC. Does any one know about such printers because I don't want to use a DC/AC Converter for powering only printer.
Thanks in advance.
measuring mains with an oscilloscope
No you cannot measure the AC mains directly on an oscilloscope, because of the common ground/earth of boht the mains & oscilloscope. This is why the circuit breaker breaks.
solution is to use any isolation transformer to isolate the AC mains input from...
Dear All,
I'm a beginner with SMPS design and was interested in the following books
1. Switching Mode Power Supply Design by Abraham Pressman
2. High Frequency Switching Power Supplies: Theory & Design by George Chryssis
can anybody help me in acquiring these books.
Thanx in advance
I'm in need of an intermediate voltage transformer that converts (step-up) voltage from 63v to 120v.
Also I require a current transformer again for converting (step-up) 1-6A of current to 20A of current.
I have searched the net and contacted companies that design custom transformers but everyone...
Dear All,
I'm searching for a specific device which can take two input RS485 communication lines (IN/OUT) and gives out 12 set of same connections (IN/OUT), such that when a device is absent on anyone set of output the communication is not effected, that is to say there is no break in signal...
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